1966, crash one PAN AM Machine near the night flight to Berlin at the 15.11.66 on the area of the German Demokratic Republik, only a small proportion of the postal service became safe and from the Russian authorities hand over, letter of the statistical Federal Office to the branch office Berlin, strong damaged cover with corresponding crash traces, in addition to it the postal matter shipment cover to the consignee with hectographed enclosure\". Under the few postal service shipments, . The not destroyed were, was also the enclosed shipment\", a rare document also to the at that time difficult between the two German states relationships